Topaz is to open two new petrol stations in the New Year, hiring 110 staff.
Both outlets will be located beside major motorways, one in North Dublin where the M1 meets the M50 at Clonshaugh, the other near Ballacolla on the main Dublin to Cork road.
A further 200 jobs have been created during the construction phase.
Marketing Director for Topaz, Paul Candon, says they're planning further sites: